ALT-PU-2025-9536-2

Package update apache2-mod_http2 in branch sisyphus

Version2.0.33-alt1

Published2026-02-04

Max severityHIGH

Severity:

Closed issues (4)

HIGH7.5

Уязвимость функции mod_proxy_http2 веб-сервера Apache HTTP Server, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-07-21Modified: 2026-03-04

CVSS 3.xHIGH 7.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0HIGH 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

References

CVE-2025-49630

MEDIUM5.3

Уязвимость веб-сервера Apache HTTP Server, связанная с утечкой памяти, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-07-24Modified: 2026-04-20

CVSS 3.xMEDIUM 5.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 2.0MEDIUM 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

References

CVE-2025-53020

HIGH7.5

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".

Published: 2025-07-10Modified: 2025-11-04

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

HIGH7.5

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue.

Published: 2025-07-10Modified: 2025-11-04

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References